March 27, 2017
HW: 9.5/16-27 (don't round, use radicals)
Warm up:
Solve by completing the square.
1) x2 + 4x + 8 = 0
2) 3x2 - 2x + 1 = 0
March 27, 2017
March 27, 2017
Quadratic Formula
March 27, 2017
x2 - 3x - 10 = 0
March 27, 2017
9x2 + 12x - 1 = 0
March 27, 2017
4r2 = 0.6r + 0.5
March 27, 2017
HW Solutions
March 27, 2017
March 27, 2017
1) 5z2 - 11z + 2 = 0
5) 3x2 + 8x = 2
2) x2 - 6x - 11 = 0
6) x2 = x - 8
3) r2 + 8r + 5 = 0
4) 7x2 + 2x - 2 = 0
8) 5x2 - 4x + 1 = 0
March 27, 2017
1) 5z2 - 11z + 2 = 0
March 27, 2017
2) x2 - 6x - 11 = 0
March 27, 2017
3) r2 + 8r + 5 = 0
March 27, 2017
4) 7x2 + 2x - 2 = 0
March 27, 2017
5) 3x2 + 8x = 2
March 27, 2017
6) x2 = x - 8
March 27, 2017
March 27, 2017
8) 5x2 - 4x + 1 = 0
March 27, 2017